Home / 13,434.14-20,158.32-9,766.64

Finding the Fourth Proportional to 13,434.14, 20,158.32 and 9,766.64

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Solution

The fourth proportional to 13,434.14, 20,158.32 and 9,766.64 is: 14,655.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434.14 : 20,158.32 = 9,766.64 : x
  2. Step 2: Convert to fraction form
    13,434.14/20,158.32 = 9,766.64/x
  3. Step 3: Cross multiply
    13,434.14x = 20,158.32 × 9,766.64
  4. Step 4: Simplify right side
    13,434.14x = 196,879,054.44
  5. Step 5: Solve for x
    x = 196,879,054.44/13,434.14
  6. Step 6: Final answer
    x = 14,655.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.